Mention that .babelrc might by cached (#3545)

jestjs · May 11, 2017 · 1b1f48d · 1b1f48d
1 parent aa7745f
commit 1b1f48d
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diff --git a/docs/en/Webpack.md b/docs/en/Webpack.md
@@ -227,6 +227,8 @@ ES modules to CommonJS modules only in the `test` environment.
 }
 ```
 
+> Note: Jest caches files to speed up test execution. If you updated .babelrc and Jest is still not working, try running Jest with `--no-cache`.
+
 If you use dynamic imports (`import('some-file.js').then(module => ...)`), you
 need to enable the `dynamic-import-node` plugin.